package com.hokai.utils;

import java.lang.annotation.ElementType;  
import java.lang.annotation.Retention;  
import java.lang.annotation.RetentionPolicy;  
import java.lang.annotation.Target;  
  
@Target({ElementType.FIELD})  
@Retention(RetentionPolicy.RUNTIME)  
public @interface PrimaryKey {  
      
    String value() default "";  
}  